On-demand magnetic manipulation of liquid metal in microfluidic channels for electrical switching applications.

@article{Jeon2016OndemandMM,
  title={On-demand magnetic manipulation of liquid metal in microfluidic channels for electrical switching applications.},
  author={Jinpyo Jeon and Jeong-Bong Lee and Sang Kug Chung and Daeyoung Kim},
  journal={Lab on a chip},
  year={2016},
  volume={17 1},
  pages={128-133}
}
We report magnetic-field-driven on-demand manipulation of liquid metal in microfluidic channels filled with base or acid. The liquid metal was coated with iron (Fe) particles and treated with hydrochloric acid to have strong bonding strength with the Fe particles. The magnetic liquid metal slug inserted in the microchannel is manipulated, merged, and separated. In addition, corresponding to the repositioning of an external magnet, the liquid metal slug can be readily moved in microfluidic… CONTINUE READING

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